Ken Rice: the newly built siding at Hopedale has turnouts at both ends that would permit engines to run around a cut of cars. At this time though, it appears this new siding is being used for storing Dana Rail Services covered hoppers so runarounds can't happen. My understanding is more yard sidings will be built at at Hopedale.
When I saw the local arrive Hopedale at noon on Presidents Day Monday 2/17/20, the crew used gravity to roll the inbound consist down the main toward rte 16 past the power after it had been cut away and parked on the warehouse lead. There is a significant downhill section of track at the north entrance to the old Draper property (it's tough to find any stretch of level RoW on the G&U!).